Transaction not yet indexed

u6M15CTH8GaskP78G8u1oRbAQwpbConR4Xsk52XMK5a9tk8Xq2SNuk7kECBffJxNdGeCUFrYUZLBVqqu6XvGSbZ

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.